This value documents the version of the Guide Star Catalog (GSC) web service that is called during Level-1 processing for science and guide star data to fill various FITS keyword values.
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | not defined |
| units | |
| example | GSC2431 |
| default value | |
| special processing | VALUE_REQUIRED |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | |
| DB destination | ['ScienceCommon.gsc_ver', 'GuideStar.gsc_ver'] |
| data type in DB | nvarchar(16) |
| instrument | Multiple |
| mode | All |
| product level | 1a |
| FITS hdu | PRIMARY |
| FITS header section | Basic |